Electrical news and engineering . to 26,400 volts andaccordingly all high tension equipment has been designed foruse at the latter potential. Four three phase transformer banks are installed, threeof whi-ch have 2,200 volt secondaries, the fourth being .550volt secondary. In-coming Lines The in-coming 13,200 volt lines, arresters, disconnectingswitches and choke coils are shown in one of the figures andanother photo shows the tension oil circuit breakers and bus bars, current transformers, disconnecting switchesetc. The arrangement adopted, of suspending all pipe struc-ture from the roo
Electrical news and engineering . to 26,400 volts andaccordingly all high tension equipment has been designed foruse at the latter potential. Four three phase transformer banks are installed, threeof whi-ch have 2,200 volt secondaries, the fourth being .550volt secondary. In-coming Lines The in-coming 13,200 volt lines, arresters, disconnectingswitches and choke coils are shown in one of the figures andanother photo shows the tension oil circuit breakers and bus bars, current transformers, disconnecting switchesetc. The arrangement adopted, of suspending all pipe struc-ture from the roof steel and bracing to column, has resultedin a very clean cut layout. Emergency 2,200 and 550 volt buses arc installed andall feeders are equipped with doul)le-throw disconnectingswitches so that in the event of trouble on the main bus orcircuit breakers, the feeders can be thrown directly onto bus. .Ml circuit breakers are electrically operated from themain svvitchljoard wliicli is located on the ground floor. The.
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidelectricalnewsen31donm
